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Chloroflorocarbons (CFCs) did. From what i've heard the ozone layer is starting to slowly heal up again.
According to a report (2011) by the Scientific Assessment Panel of the U.N. Montreal Protocol on Substances that Deplete the Ozone Layer, the ozone layer has, over the last decade, reached a turnaround point. It is no longer decreasing, but it is not yet increasing.
What else can I help you with?
What is causing damage to the ozone layer?
CFC's are causing damage to ozone layer. They react with ozone to deplete it.
What is causing the loss of the ozone layer?
CFC's are causing loss of ozone layer. They react with ozone to deplete it.
How can the ozone layer be depleted?
See "What is causing the depletion of the ozone layer?"
Threats faced by ozone layer?
See "What is causing the depletion of the ozone layer?"
Why are chloroflurocarbons harmful to the ozone layer?
See "What is causing the depletion of the ozone layer?"
Which are the molecules thought to damage the ozone layer and how?
See "What is causing the depletion of the ozone layer?"
Ozone layer what is causing the thinning of it?
CFC's are causing its thinning. They react with ozone to deplete it.
What material causes the destruction of the ozone layer?
CFC's cause ozone destruction. They react with ozone to deplete it.
What Filter cancer causing rays from the sun?
The ozone present in the stratospheric region of atmosphere filters our cancer causing rays from the sun. This ozone is present in the form of ozone layer.
What is the breakdown of the ozone layer called?
See "What is causing the depletion of the ozone layer?"
Will the ozone layer be bigger or smaller in the future?
The ozone layer is expected to be smaller in the coming future. It is because various organisations have pledged not to use ozone depleting substances.
Do scientists know exactly what's causing the ozone layer to disappear?
Yes, scientists know what is causing the ozone layer to disappear. It is the continues use of ozone depleting substances.
